Xi'an Dongmeng Group Co., Ltd. is one of the most reliable manufacturers and suppliers of CW502L CuZn33 Brass Alloy / Red Brass Supplier & Manufacturer | Brass Rod, Bar, Plate & Tube Factory in China, also supports customized service. With abundant experience, we warmly welcome you to wholesale cheap products in stock here and get free sample from our factory. For price consultation, contact us.
Looking for a trusted CW502L CuZn33 red brass supplier and manufacturer for plumbing, pump, valve, and industrial applications? Xi'an Dongmeng Group Co., Ltd. provides high-quality CW502L (CuZn33) red brass with superior corrosion resistance, high strength, and consistent chemical composition. As a professional CW502L brass factory and OEM supplier, we offer rods, bars, sheets, tubes, and custom machined parts that meet EN 12167, DIN 17663, and JIS H3250 standards, ideal for global buyers in plumbing, hydraulic systems, electrical, and industrial machinery sectors.
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CW502L CuZn33 Brass Alloy Product Overview
CW502L CuZn33 Brass Alloy is a high-quality alpha brass alloy containing approximately 67% copper and 33% zinc. Known in the industrial market as Red Brass Alloy, this material offers an excellent balance of strength, ductility, corrosion resistance, and cold forming performance.
Compared with standard free-machining brass grades, CW502L brass provides superior surface quality, better deformation capability, and excellent polishing performance, making it widely used in precision stamping, deep drawing, electrical hardware, architectural decoration, and industrial manufacturing applications.
At Xi'an Dongmeng Group Co., Ltd, we manufacture and export CW502L CuZn33 brass products in multiple forms including:
Brass Rods
Brass Bars
Brass Plates
Brass Sheets
Brass Coils
Brass Tubes
Precision CNC Machining Materials
Our factory focuses on supplying high-performance industrial copper alloy materials for global B2B buyers, OEM manufacturers, machining companies, construction projects, and industrial distributors.
Why CW502L CuZn33 Brass Alloy Performs Better in Industrial Applications
Unlike lower-grade commercial brass materials, CW502L CuZn33 brass alloy provides:
Higher cold deformation capability
Better deep drawing performance
Excellent bending and stamping behavior
Stable conductivity performance
Improved surface finishing quality
Enhanced corrosion resistance in humid environments
Reliable dimensional stability during CNC machining
These advantages make CW502L brass alloy one of the preferred materials for European-standard industrial brass manufacturing projects.
Chemical Composition of CW502L CuZn33 Brass Alloy
| Element | Content (%) |
|---|---|
| Copper (Cu) | 66.0 – 67.0 |
| Zinc (Zn) | Balance |
| Lead (Pb) | ≤ 0.05 |
| Iron (Fe) | ≤ 0.05 |
| Other Impurities | ≤ 0.2 |
Mechanical Properties of CW502L Brass Alloy
| Property | Value |
|---|---|
| Tensile Strength | 300 – 480 MPa |
| Yield Strength | ≥ 120 MPa |
| Elongation | ≥ 35% |
| Hardness | 70 – 150 HB |
| Elastic Modulus | Approx. 100 GPa |
Physical Properties of CuZn33 Red Brass
| Property | Value |
|---|---|
| Density | 8.47 g/cm³ |
| Electrical Conductivity | Approx. 28% IACS |
| Thermal Conductivity | 120 W/m·K |
| Melting Point | 900 – 940°C |
| Thermal Expansion Coefficient | 20.5 ×10⁻⁶/K |
Machinability Analysis of CW502L CuZn33 Brass
CW502L brass alloy offers stable processing performance in modern industrial manufacturing systems. Although its machinability is lower than leaded free-cutting brass, it provides superior surface integrity and forming flexibility.
CNC Processing Advantages
Smooth chip formation
Stable dimensional tolerance
Excellent polishing effect
Reduced surface cracking risk
Suitable for precision turning and milling
Recommended Manufacturing Processes
CNC turning
Precision punching
Laser cutting
Deep drawing
Bending
Cold rolling
Precision stamping
This makes CW502L brass particularly suitable for OEM brass components, decorative hardware, electrical connectors, and precision industrial parts.
Welding Performance Analysis
CW502L CuZn33 brass demonstrates good welding adaptability under controlled industrial conditions.
Recommended Welding Methods
TIG Welding
MIG Brazing
Resistance Welding
Soldering
Welding Characteristics
Low cracking sensitivity
Stable weld seam formation
Good joint strength
Excellent post-weld appearance
Proper temperature control and shielding gas protection are recommended to minimize zinc evaporation during welding operations.
Corrosion Resistance Performance
CW502L brass alloy offers excellent atmospheric corrosion resistance and performs reliably in humid, industrial, and mildly corrosive environments.
Corrosion Resistance Features
Strong oxidation resistance
Good moisture resistance
Reliable anti-rust performance
Stable long-term appearance
Excellent indoor and outdoor durability
The alloy is widely used in architectural decoration systems, electrical systems, heat transfer equipment, and industrial hardware exposed to varying environmental conditions.
Products Description
Product Name: CW502L CuZn33 Brass Alloy
Equivalent Grades: CuZn33 / C2680 / H65 Brass / Red Brass
Product Forms: Brass Rod, Brass Bar, Brass Plate, Brass Sheet, Brass Tube, Brass Strip, CNC Machined Parts
Standards: EN 12163 / EN 12164 / EN 1652 / ASTM / DIN
Main Features: Excellent Cold Formability / Good Corrosion Resistance / Stable Mechanical Properties / High Surface Finish
Applications: Electrical Components / Heat Exchangers / Precision Hardware / Decorative Parts / CNC Machining
Factory Type: Industrial Brass Alloy Manufacturer & Exporter
Brand: Xi'an Dongmeng Group Co., Ltd
CW502L – CuZn33 is a red brass alloy composed of approximately 67% copper and 33% zinc, offering high strength, excellent corrosion resistance, and good machinability. It is widely used in plumbing systems, pumps, valves, electrical components, and industrial machinery.
Available in rods, bars, sheets, plates, tubes, and strips, CW502L supports drawing, rolling, machining, and cutting according to OEM requirements. The alloy ensures durable, wear-resistant, and dimensionally stable components, making it suitable for applications that require high-performance, long-lasting, and cost-effective materials.
Specifications (Metric & Imperial)
Available Forms
| Form | Notes |
|---|---|
| Rods & Bars | Standard diameters and lengths for machining |
| Plates / Sheets | CNC-ready thickness and width |
| Tubes / Pipes | Seamless and drawn tubes |
| Strips | Coil or cut-to-length |
| Custom Machined Parts | OEM per drawing |
Size Range (Metric & Imperial)
| Form | Metric | Imperial |
|---|---|---|
| Rod Diameter | 6–200 mm | 0.24"–7.87" |
| Rod Length | 500–3000 mm | 19.7"–118" |
| Sheet / Plate Thickness | 0.5–50 mm | 0.02"–1.97" |
| Sheet / Plate Width | 100–1200 mm | 3.9"–47" |
| Tubes OD | 10–150 mm | 0.39"–5.9" |
| Tubes Wall | 1–15 mm | 0.04"–0.59" |
Dimensional Tolerances
Rods/Bars: ±0.3–0.5 mm
Plates/Sheets: ±0.2–0.5 mm
Tubes: ±0.2–0.8 mm
Machined components: ISO 2768-mK
Surface Finish
Rods/Bars: Ra 3.2–6.3 μm
Plates/Sheets: Ra 6.3–12.5 μm
Tubes: Ra 6.3–12.5 μm
Industrial Applications of CW502L CuZn33 Brass Alloy
CNC Machining Industry
Applications
Precision turned parts
CNC brass fittings
Precision sleeves
Threaded components
Benefits
High machining precision
Stable tolerance control
Excellent surface finish
Architectural & Decorative Industry
Applications
Decorative brass panels
Interior trim
Hardware accessories
Luxury architectural fittings
Benefits
Elegant golden-red appearance
Excellent polishing quality
Long-term corrosion resistance
Electrical & Electronics Industry
Applications
Electrical terminals
Conductive connectors
Switch components
Electrical hardware
Benefits
Stable conductivity
Good thermal performance
Reliable mechanical strength
Heat Exchanger & Industrial Equipment Industry
Applications
Heat transfer components
Industrial tubing
Mechanical connectors
Equipment fittings
Benefits
Good thermal conductivity
Stable forming performance
Reliable industrial durability
Inspection & Quality Assurance
Raw Material Control: Certified copper and zinc; MTC verified
Chemical Composition: Spectrometer analysis; EN 12167 / DIN 17663 compliance
Mechanical Testing: Tensile, yield, elongation, hardness
Dimensional Inspection: CMM for rods, sheets, and machined parts
Surface & Defect Checks: Visual inspection, roughness measurement
Third-Party Inspection: SGS, BV, TUV available upon request
Product Delivery Standards
Packaging: Seaworthy wooden pallets or cartons; anti-rust oil; moisture-proof wrapping
Labeling & Traceability: Heat/batch number, alloy grade, drawing references
Delivery Conditions: As-rolled, drawn, or machined per customer specification
Documentation: Mill Test Certificate (EN 10204 3.1), packing list, invoice, CO, optional third-party inspection
Shipment Options: Sea freight, air freight, courier; FOB / CIF / CFR / DDP
Lead Time: Standard orders 10–20 days; machined parts 15–30 days
Why Choose Us
Factory-Direct Brass Alloy Manufacturer
We are a professional industrial metal materials supplier focusing on copper alloys, brass alloys, aluminum products, stainless steel materials, and precision industrial metals.
Stable Industrial Quality
Strict alloy composition control
Advanced manufacturing technology
Full-process inspection system
Strong Export Experience
Serving global industrial buyers
Familiar with European & American standards
Professional international trade support
OEM & Customized Processing
Custom sizes available
CNC processing support
Drawing-based manufacturing
Fast Technical Response
Our engineering and export teams provide quick technical communication, quotation support, and material recommendations for industrial projects.
Xi'an Dongmeng Group Co., Ltd.
Manufacturer and supplier of CW502L – CuZn33 red brass and other copper alloys.
Services:
OEM machining, cutting, and fabrication
Technical support and material selection
International shipping and export documentation
Our address
Room 4107, Runfeng Building, Sanqiao New Street, Weiyang District, Xi'an City, Shaanxi Province
Phone Number
+86 15769214734
FAQ
1. Can you provide OEM machining and cutting services for CW502L?
Yes. We offer rods, sheets, tubes, strips, and custom machined parts according to your drawings and specifications.
2. What is the minimum order quantity (MOQ)?
Rods/Sheets: 500 kg per batch
Tubes/Machined parts: 50 pcs per order
Sample orders are available for quality evaluation.
3. Does CW502L comply with EN 12167 / DIN 17663 standards?
Yes. Every batch is fully certified and traceable to EN 12167, DIN 17663, and JIS H3250 standards.
4. Can I get sample pieces for testing?
Yes. Small sample bars, sheets, or tubes can be provided for inspection, machining trials, or quality evaluation.
5. What is the typical lead time for CW502L orders?
Rods/Sheets: 10–20 days
Machined parts: 15–30 days
Urgent orders can be prioritized upon request.
6. Do you provide material certificates and inspection reports?
Yes. Each shipment includes a Mill Test Certificate (EN 10204 3.1) and inspection report. Third-party inspection (SGS, BV, TUV) is available upon request.
7. How is CW502L packaged for international shipping?
CW502L is packed in seaworthy wooden pallets or cartons, coated with anti-rust oil, wrapped with moisture-proof film, and labeled with alloy grade and batch number for traceability.
8. Can your technical team assist with material selection for specific applications?
Yes. Our engineers can recommend the most suitable alloy form and specification based on operating conditions, machining requirements, and application type.
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